background image

Switch

 

Setting

-

15

-

1

S1

1 2

3

4

5

6

7

8

Temperature Setting
Fan CYC. For Cooling

Electric memory

Freeze protect
Heat Pump Prior
Electric heater
Heat pump
Electric  fresh  air

Sw itch

Description

Function

Factory

Setting

1#

Electric fresh air

ON-Enable ;

OFF-Disable;

ON

2#

Heat pump

ON-Enable;

OFF-Disable;

ON

3#

Electric heater

ON-Enable;

OFF-Disable;

ON

4#

Heat Pump Prior

ON-Heat Pump Prior;

OFF-Electric Heat

Prior;   (Only available

for panel control)

ON

5#

Freeze protect

ON-Allow  the unit to

ensure the indoor
room temperature

does not fall below  40°

F even w hen turned

off; OFF-disable

freeze protection.

ON

6#

Electric memory

ON-Enable ;

OFF-Disable;

ON

7#

Fan CYC.

For Cooling

ON-Enable ;

OFF-Disable;

OFF

8#

Temperature

Setting

ON-Set temp.step for

tw o degree ;

OFF-Set temp.step for

one degree

OFF

2

SW1

SW1

.

1

SW1

.

2

Model select

 Duct selected

Reserved

1 2 3 4

Model select

SW1.3

Duct  select

The duct select function allows the indoor fan to be 
operated  at  two variable  fan  speeds. 
When set in the down position(OFF), the unit 
automatically selects either high or middle fan speed 
( for longer ductwork applications). 
When set in the up  position(ON), the unit automatically 
selects either middle or low fan speed (for shorter
 ductwork applications).

Factory default setting

09K

1 2 3 4 5 6 7 8

1 2 3 4

ON
OFF

12K

1 2 3 4

1 2 3 4 5 6 7 8

ON
OFF

18K

1 2 3 4

1 2 3 4 5 6 7 8

ON
OFF

Summary of Contents for VF20HA09K36E7M90

Page 1: ...ATTENTION INSTALLATION PROFESSIONAL is VF20HA09K36E7M90 VF20HA12K36E7M90 VF20HA18K50E8M80 MODELS SERIES ...

Page 2: ...s unit you assume responsibility for any personal injury or property damage which may Many jurisdictions result require a license to install or service heating and air conditioning equipment WARNING WARNING Risk of electric shock can cause injury or death For your safety the information in this manual must be followed to minimize the risk of fire electric shock or personal injury Instruction Secti...

Page 3: ...s side shipping screws R FD GH B Y W GL C Orange Low fan speed Red 24VAC Front Desk Control Green High fan speed Blue Reversing valve Yellow Compressor White Heater Black Common ground ON OFF switches ON OFF Switch six terminals are still HOTand must not be touched servicing ...

Page 4: ...se cost of operation save energy prevent clogged heat exchanger coils and reduce the risk of premature component failure The coils on the unit should be checked regularly If they are clogged with dirt or soot they may be professionally cleaned You will need to remove the unit from the case to inspect the coils because the dirt build up occurs on the coil face that first contacts the debris Operati...

Page 5: ... National Electrical Code NEC the Canadian Electrical Code CEC a n d o r local codes and ordinances as applicable For personal safety this unit and case must be properly grounded Protective devices fuses or circuit breakers acceptable for unit installations are specified on the nameplate of each unit Do not use an extension cord with this unit Aluminum building wiring may present special problems ...

Page 6: ...Case Panel are replaced as a complete assembly in a retrofit replacement situation Do not under any circumstances insert this Unit into an existing competitor case For example some existing cases may contain plastics that are incompatible with this unit from a safety standpoint LCDI Cords 230 208V models only Underwriters Laboratories and the National Electric Code NEC now require power cords that...

Page 7: ...Louver Cutout Dimensions 20 W x 32 1 4 H Wall Plenum 6 D x 19 3 4 W x 32 H 8 D x 19 3 4 W x 32 H 12 D x 19 3 4 W x 32 H 15 D x 19 3 4 W x 32 H Access Panel with Return Air Grille with filter holder Cutout Dimensions 30 5 16Wx 48 5 16H 33 51 Return Air Grille with filter holder Cutout Dimensions 20 5 16Wx 20 5 16H 22 7 8 22 7 8 ...

Page 8: ... with return air grille Rigid ductwork metal duct Air discharge outlet Unit Wall plenum Wall plenum divider Drain fittings 3 4 Filter bracket Secure platform to the floor 8 min for drain access Platform 23 1 4 x 23 1 4 square Min load capacity 175 Ibs Outside wall Plenum cutout 32 1 4 H x 20 W Exterior Outside Bottom of case approx 2 above bottom of plenum Wall plenum Bottom of case approx 2 above...

Page 9: ...out is approximately 6 1 2 from left case wall and 5 1 4 from back case wall F Typical wall plug 6 12 above case G 40 min Air outlet Flex duct may be used for transitions only Use rigid duct for 90 bends and tees Outside wall A B C C D E Platform F G Connecting the air outlet Connecting the air outlet WARNING Supply duct is intended to distribute conditioned air throughout a single unit on one flo...

Page 10: ... your installation requirements Follow the Installation Instructions provided with the return air grille accessory for installation details NOTE Use only one filter in the installation The filter may be installed on the unit or in the access panel door Outside wall Access panel with return air grille with filter holder Filter Option 1 Return air grille with filter holder Filter Option 2 Unit mount...

Page 11: ... installed square and level in the ope 1 4 bubble tilt to ning or up to outside pitch to outside should be similar to that planned for the sleeve and secured to the wall construction with screws or nails in the sides located a minimum of 2 from the bottom of the plenum No nails or screws may be used in the bottom or top of the plenum to prevent water entering the wall cavity The plenum is not load...

Page 12: ...de wall Female drain fitting 3 4 PVC Internal drain figure 1 figure 2 External Drain Attach a 90 PVC elbow to the female 3 4 NPT unit s drain connector Use the other end of the elbow to run a 3 4 Sch 40 PVC pipe through the knockout holes of both the wall plenum and the architectural louver to the outside Seal the gap between the plenum hole and PVC tube See theinstallation instructions in the fig...

Page 13: ...65 360 350 320 0 15 440 310 300 270 0 20 405 245 240 205 0 25 365 225 180 120 0 30 310 110 0 00 585 520 520 450 0 04 550 485 485 410 0 10 505 435 435 360 0 15 470 385 385 310 0 20 430 345 345 245 0 25 390 285 285 225 0 30 340 230 230 0 00 585 525 525 510 0 04 550 490 490 475 0 10 530 440 440 420 0 15 505 390 390 375 0 20 470 350 350 320 0 25 430 290 290 250 0 30 390 235 235 180 ON 18K Airflow CFM ...

Page 14: ...ischarge outlet Case top duct adjusting screws metal duct Clamp 2 Secure the top duct to the unit by turning the four case top duct adjusting screws clockwise until they are tight Use a field supplied clamp to lock the top duct to the case 7 Final Check Review this Checklist before restoring power Correct line voltage Single circuit only Ductwork connected Case and wallplenum leveled to specificat...

Page 15: ...ower off at the service panel and lock the area to prevent power from being switched on accidentally When the area cannot be locked securely fasten a prominent warning device such as a tag to the service panel WARNING NOTE We strongly recommend that any servicing be performed by a qualified individual For ease of service the unit can be removed from the case 1 Remove the front case panel 2 Unplug ...

Page 16: ...ze protection ON 6 Electric memory ON Enable OFF Disable ON 7 Fan CYC For Cooling ON Enable OFF Disable OFF 8 Temperature Setting ON Set temp step for tw o degree OFF Set temp step for one degree OFF 2 SW1 SW1 1 SW1 2 Model select Duct selected Reserved 1 2 3 4 Model select SW1 3 Duct select The duct select function allows the indoor fan to be operated at two variable fan speeds When set in the do...

Page 17: ...ensor failure E8 Overheating protection defrosting E9 Refrigerant high pressure protection DIAGNOSTIC CODES The Diagnostic Maintenance provides detailed information on VTAC control operation and operational status including present modes failures airflow restriction warnings operating temperatures and past failures To enter Diagnostic Status Report mode press and hold the down arrows and while res...

Page 18: ...he unit may be set for C instead of F see the keypad configuration section Clicking gurgling and whooshing noises are normal during operation of unit Make sure that curtains blinds or furniture are not restricting or blocking unit airflow Reset to a lower or higher temperature setting Remove and clean filters Start heating or cooling early before outdoor temperature cooking heat or gatherings of p...

Page 19: ...THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 20: ...Applied Comfort Products Inc 1210 Balmoral Road Cambridge Ontario Canada N1T 1AS ...

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